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Q: Which protein protects the epithelial cells from damage?
  • A. Keratin
  • B. Collagen
  • C. Elastin
  • D. Actin
Correct Answer: Option A - Keratin is a type of proteins that makes up skin, hair, nails. Keratin is also found in internal organ and glands. Keratin is known for the protecting protein. Keratin protein protects the epithelial cell from damage. Proteins are made up of amino acid. All amino acids are not protein but all proteins are amino acid. Protein are discovered by Jons Jacob Berzelius in 1838.
A. Keratin is a type of proteins that makes up skin, hair, nails. Keratin is also found in internal organ and glands. Keratin is known for the protecting protein. Keratin protein protects the epithelial cell from damage. Proteins are made up of amino acid. All amino acids are not protein but all proteins are amino acid. Protein are discovered by Jons Jacob Berzelius in 1838.

Explanations:

Keratin is a type of proteins that makes up skin, hair, nails. Keratin is also found in internal organ and glands. Keratin is known for the protecting protein. Keratin protein protects the epithelial cell from damage. Proteins are made up of amino acid. All amino acids are not protein but all proteins are amino acid. Protein are discovered by Jons Jacob Berzelius in 1838.